Aptitude and Reasoning Questions

Q:

If the standard deviation of a population is 6.5, what would be the population variance?

A) 40.25 B) 42.25
C) 18.25 D) 13
 
Answer & Explanation Answer: B) 42.25

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

Find the circumference (in cm) of a circle of radius 17.5 cm.

A) 140 B) 110
C) 38 D) 76
 
Answer & Explanation Answer: B) 110

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If tanA = x, then x is

A) √(cosec2A + 1) B) √(sec2A + 1)
C) √(cosec2A - 1) D) √(sec2A - 1)
 
Answer & Explanation Answer: D) √(sec2A - 1)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. A alone can do it in:

A) 120 days B) 130 days
C) 150 days D) 100 days
 
Answer & Explanation Answer: A) 120 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Find the missing number?

A) 1678 B) 2341
C) 1137 D) 1638
 
Answer & Explanation Answer: D) 1638

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

d_ba_c_a_cb_

A) cdbda B) cdbad
C) bdacd D) abdca
 
Answer & Explanation Answer: A) cdbda

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) ZBD B) JLN
C) QSU D) NOP
 
Answer & Explanation Answer: D) NOP

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Q:

Two trains are moving in the same direction at the speed of 23 km/hr and 77 km/hr. The time taken by faster train to cross a man sitting in the slower train is 40 seconds. What will be the length (in metres) of the faster train?

 

 

A) 720   B) 640  
C) 600   D) 540
 
Answer & Explanation Answer: C) 600  

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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